Unequal Angles - 100x75x12
Steel unequal angles are L-shaped structural steel bars where one leg is longer than the other. Also known as "unequal angle irons," their asymmetrical design makes them incredibly efficient when a structure needs more strength or surface area in one direction than the other. This unequal shape allows engineers to save weight and reduce material costs compared to using a larger, heavier equal angle. They are commonly used as robust lintels over windows and doors, brackets for heavy brickwork, and bracing elements in roof trusses or steel towers.
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Nearby Sections
Dimensions
| Property | Value |
|---|---|
| A mm | 100 |
| B mm | 75 |
| t mm | 12 |
| kg/m | 15.4 |
| r1 mm | 10 |
| r2 mm | 5 |
Full sortable table: Dimensions table for this category
Section Properties
| Property | Value |
|---|---|
| Dimension - cx | 3.27 |
| Dimension - cy | 2.03 |
| Second Moment of Area (x-x) - cm4 | 189 |
| Second Moment of Area (y-y) - cm4 | 90.2 |
| Second Moment of Area (u-u) - cm4 | 230 |
| Second Moment of Area (v-v) - cm4 | 49.5 |
| Radius of Gyration (x-x) - cm | 3.1 |
| Radius of Gyration (y-y) - cm | 2.14 |
| Radius of Gyration (u-u) - cm | 3.42 |
| Radius of Gyration (v-v) - cm | 1.59 |
| Elastic Modulus (x-x) - cm3 | 28.0 |
| Elastic Modulus (y-y) - cm3 | 16.5 |
| Angle Axis x-x to u-u - Tan α | 0.540 |
| Torsional Constant - J cm4 | 10.05 |
| Equivalent Slenderness Coefficient (Min) - φa | 2.10 |
| Equivalent Slenderness Coefficient (Max) - φa | 2.64 |
| Mono-symmetry Index - ψa | 3.46 |
| Area of Section - cm2 | 19.7 |
Full sortable table: Properties table for this category